Proper names?

Discussion in 'Plants: Nomenclature and Taxonomy' started by sgbotsford, Jan 15, 2020.

  1. sgbotsford

    sgbotsford Active Member 10 Years

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    Rural Edmonton Alberta area, Canada
    Problem 1:

    A plant wholesaler, who uses only botanical and no common names, except for named cultivars and trademarks has a listing

    Euonymus nana 'Turkestanica'

    The plant List ( doesn't have a species nana. It does have nanus.

    There is a variety turkestanicus.

    Now my newbie understanding of nomenclature is that their listing indicates that Turkestanica is a named cultivar of the species E. nana. But the lack of a 'nana' on the plant list, and the closeness of the variety and the named cultivar make me think someone is being sloppy, possibly their supplier.

    Problem 2

    Another one I'm seeing as a sizeable fraction (10-20%) is Eleagnus instead of Elaeagnus. I can find no support that the first is a valid synonym.

    This is a recurring problem: I want my website to be accurate, but I also have to deal with current availability lists that have errors, so I'm trying to figure out how to best deal with these.
  2. Ron B

    Ron B Paragon of Plants 10 Years

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    WA USA (Z8)
    Yes: if their material is correct then they would be offering the var. turkestanicus Dieck (E. nanus var. koopmannii Koehne) of Euonymus nanus M. Bieb. (E. farreri hort., E. rosmarinifolius Vis.). The var. is taller growing than the species and produces longer leaves, is the common form in cultivation.

    Yes: the spelling is Elaeagnus. If you are seeing "Eleagnus" being used by commercial sources such improprieties are rather prevalent among nurserymen and landscapers. A small sampling of other examples is "Hellebore" used in place of Helleborus (as in "Hellebore niger"), "Peony" instead of Paeonia (as in "Peony lactiflora"), "Eskimo Sunset" for 'Esk Sunset' (maple) and the 'Ukon' Sato-zakura being listed as "Alaskan Yellow Cherry".
    Last edited: Jan 15, 2020
  3. Daniel Mosquin

    Daniel Mosquin Paragon of Plants UBC Botanical Garden Forums Administrator Forums Moderator 10 Years

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    Vancouver, British Columbia, Canada

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